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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 837 · 40 questions
TalentJR

How to do it in your head (Biggest part first): Split the 3-digit number into hundreds, tens and ones. Multiply the hundreds and keep that number in your head. Multiply the tens and add, then multiply the ones and add.

NameDateTime takenScore ___ / 40
  1. 1.927 × 3 =
  2. 2.658 × 8 =
  3. 3.722 × 8 =
  4. 4.246 × 8 =
  5. 5.742 × 9 =
  6. 6.126 × 5 =
  7. 7.178 × 6 =
  8. 8.931 × 7 =
  9. 9.793 × 4 =
  10. 10.263 × 4 =
  11. 11.831 × 7 =
  12. 12.617 × 5 =
  13. 13.249 × 3 =
  14. 14.781 × 9 =
  15. 15.296 × 8 =
  16. 16.205 × 7 =
  17. 17.521 × 4 =
  18. 18.309 × 4 =
  19. 19.327 × 3 =
  20. 20.345 × 5 =
  21. 21.736 × 4 =
  22. 22.334 × 9 =
  23. 23.796 × 7 =
  24. 24.971 × 5 =
  25. 25.757 × 5 =
  26. 26.518 × 4 =
  27. 27.806 × 9 =
  28. 28.361 × 4 =
  29. 29.598 × 6 =
  30. 30.245 × 7 =
  31. 31.649 × 6 =
  32. 32.133 × 3 =
  33. 33.955 × 5 =
  34. 34.181 × 3 =
  35. 35.121 × 3 =
  36. 36.497 × 3 =
  37. 37.877 × 7 =
  38. 38.214 × 8 =
  39. 39.489 × 6 =
  40. 40.883 × 4 =

Answer key

  1. 2781
  2. 5264
  3. 5776
  4. 1968
  5. 6678
  6. 630
  7. 1068
  8. 6517
  9. 3172
  10. 1052
  11. 5817
  12. 3085
  13. 747
  14. 7029
  15. 2368
  16. 1435
  17. 2084
  18. 1236
  19. 981
  20. 1725
  21. 2944
  22. 3006
  23. 5572
  24. 4855
  25. 3785
  26. 2072
  27. 7254
  28. 1444
  29. 3588
  30. 1715
  31. 3894
  32. 399
  33. 4775
  34. 543
  35. 363
  36. 1491
  37. 6139
  38. 1712
  39. 2934
  40. 3532

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